Question about Projection Televisions

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Lg 42pc55 plasma tv,right hand corner of screen has a blue flicker which sometimes extends to bottom center and halfway up right hand side, also with a particular spectrum faces of people have blue tint, can you advise?

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Careful adjustment of the y sus pcb using a scope cures it, i repair these all day for lg

Posted on May 03, 2008

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Blue haze/blob near the center and lower right corner.


Failing optical block. check this website
http://sites.google.com/site/sonylcdrptvproblems/sonykdf-55wf655opticalblockreplacement

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My picture has been getting a blue area in the lower right hand corner of the screen and it is getting bigger farther along the bottom and the right side, also noticed a ring or outline of a circle when...


It is light engine that is going bad and causing blue haze/ clouds etc.
It is an expensive part, and I would recommend a new TV instead of its repair.
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Blue dots center and yellow stain right hand corner on 60'' sonytv


Yes, I do. It needs a new light engine. Very costly repair. However, Sony has extended the warranty on many of these LED projector sets. You need to call a local Sony authorized service center and see if your model is covered. Otherwise this repair could run over a thousand bucks.

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LG rear projection colours out of alignment


I have a similar problem with an LG (except my red is the one that is fine) and was able to talk to a tech in some detail about it. The tech prefaced by saying that he had done a hundred or so of these with exactly the same issue. This is very common and the life span of rear projection televisions is not great. Having said that, plasmas and LCDs are also limited in life span mostly due to modern high performance gaming machines which shorten the lifespan of monitors both plasma and LCD alike.

From what I have gathered, this is not a problem that you can easliy sort out. (Of course they would say that though) It involves replacing the digital board which means soldering followed by aligning the lamps which requires quote a lot of expertise.

The part itself apparently costs around $200 Australian and the labour will vary for the cost of the technician but I was quoted that the labour was about the same cost as the part.

Not sure if I would call this solved but I hope it has been at least a little helpful.


May 26, 2009 | JVC AV-56P575 56" Rear Projection...

1 Answer

Blue screen on my tv; lock on screen how do i remove it


Go to menu and look for lock function and turn off. blue screen. tv is muting video bucause it is not getting any input signal .

Apr 24, 2009 | Projection Televisions

1 Answer

LG 52in rear projection HD TV


it will be the polarized filters in the optical engine which you cant get anymore you will have to get a new optical engine fitted, take it down to ure local service agent for a quote

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Sony Wega 50 inch LCD


I also have a Sony Wega 50 inch LCD, once turned on the screed stays completly black however, the green light comes on. Anyone else had this problems or knows if it can be repaired or not?

Jan 20, 2008 | LG RU-60SZ30 60" Rear Projection...

1 Answer

WS-55809 - Video pinched in center, distorted, yellow/blue/red glow


This doesn't sound like a programming issue. I had a very similar problem about 6 months ago and I fixed problem. I had cold solder joint on the video power board. It was the board in the middle. The power supply was to the right. The video board had a driver with a bunch of legs. About 7 solder joint where cold or loose. I solder the board and my mitsu wide screen was fixed. Hope this helps.
Andy

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